[PATCH v2 00/25] AMDKFD kernel driver

Jerome Glisse j.glisse at gmail.com
Mon Jul 21 16:36:14 PDT 2014


On Mon, Jul 21, 2014 at 11:29:23PM +0000, Bridgman, John wrote:
> >> >> So even if I really wanted to, and I may agree with you
> >> >> theoretically on that, I can't fulfill your desire to make the
> >> >> "kernel being able to preempt at any time and be able to decrease
> >> >> or increase user queue priority so overall kernel is in charge of
> >> >> resources management and it can handle rogue client in proper
> >> >> fashion". Not in KV, and I guess not in CZ as well.

                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

> >
> >Also it is a worrisome prospect of seeing resource management completely
> >ignore for future AMD hardware. Kernel exist for a reason ! Kernel main
> >purpose is to provide resource management if AMD fails to understand that,
> >this is not looking good on long term and i expect none of the HSA
> >technology will get momentum and i would certainly advocate against any
> >use of it inside product i work on.
> 
> Hi Jerome;
> 
> I was following along until the above comment. It seems to be the exact opposite of what Oded has been saying, which is that future AMD hardware *does* have more capabilities for resource management and that we do have some capabilities today. Can you help me understand what the comment it was based on ?


Highlighted above.

Cheers,
Jérôme


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